| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| // Dart test program for testing throw expressions. |
| |
| void test1() { |
| var x = 6; |
| try { |
| throw x = 10; |
| x = 0; |
| } catch (e) { |
| Expect.equals(10, e); |
| Expect.equals(10, x); |
| x = 15; |
| } |
| Expect.equals(15, x); |
| x = 100; |
| try { |
| throw x++; |
| x = 0; |
| } catch (e) { |
| Expect.equals(100, e); |
| Expect.equals(101, x); |
| x = 150; |
| } |
| Expect.equals(150, x); |
| } |
| |
| void test2() { |
| var x = 6; |
| try { |
| throw x + 4; |
| } catch (e) { |
| Expect.equals(10, e); |
| Expect.equals(6, x); |
| x = 15; |
| } |
| Expect.equals(15, x); |
| } |
| |
| foo(x, y) => throw "foo" "$x"; |
| |
| bar(x, y) => throw "foo" "${throw x}"; |
| |
| class Q { |
| var qqq; |
| f(x) { |
| qqq = x; |
| } |
| |
| Q get nono => throw "nono"; |
| } |
| |
| void test3() { |
| try { |
| throw throw throw "up"; |
| } catch (e) { |
| Expect.equals("up", e); |
| } |
| |
| dynamic x = 10; |
| try { |
| foo(x = 12, throw 7); |
| } catch (e) { |
| Expect.equals(7, e); |
| Expect.equals(12, x); |
| } |
| |
| x = 10; |
| try { |
| foo(x++, 10); |
| } catch (e) { |
| Expect.equals("foo10", e); |
| Expect.equals(11, x); |
| } |
| |
| x = 100; |
| try { |
| bar(++x, 10); |
| } catch (e) { |
| Expect.equals(101, e); |
| Expect.equals(101, x); |
| } |
| |
| x = null; |
| try { |
| x = new Q(); |
| x |
| ..f(11) |
| ..qqq = throw 77 |
| ..f(22); |
| } catch (e) { |
| Expect.equals(77, e); |
| Expect.equals(11, x.qqq); |
| } |
| } |
| |
| void test4() { |
| var q = new Q(); |
| Expect.throws(() => q.nono, (e) => e == "nono"); |
| } |
| |
| main() { |
| test1(); |
| test2(); |
| test3(); |
| test4(); |
| } |